Tyler’s book has sold 20,102 copies in total across all editions through Nielsen BookScan. As well as being the biggest selling book of the Man Booker Dozen, it is also the book which has seen the most copies sold since the longlist was announced in July – selling 7,680 copies since then. Most of this is down to the release of the paperback last week, which sold 7,115 copies.

Anne Enright’s The Green Road (Jonathan Cape) has sold 2,355 extra copies since being longlisted, for a total of 8,938.

Hanya Yanigahara’s A Little Life (Picador), which was published three weeks after the longlist announcement, has sold a strong 7,542 copies since 13th August. Yanigahara’s book is currently the favourite to win the prize at William Hill, with odds of 2/1 at William Hill, while Paddy Power is offering odds of 9/5.

A Brief History of Seven Killings by Marlon James (Oneworld Publications) has sold 6,694 copies across all editions in total, more than double (3,471 extra) what it had sold before the announcement.

Andrew O’Hagan’s The Illuminations (Faber & Faber), has sold 457 copies since the longlist was announced, for a total of 3,273 copies.

Lila by Marilynne Robinson (Virago) has also sold strongly with 12,184 copies total for the hardback, but only 625 copies are from after it was included on the longlist.

Tom McCarthy’s Satin Island (Jonathan Cape) has sold an additional 589 copies, going from 922 before the announcement to 1,511.

The Year of the Runaways by Sunjeev Sahota (Picador) had sold 413 copies before the announcement and is now on 1,302, an increase of 889 copies and Anna Smaill’s The Chimes (Sceptre) has risen almost as much - from 411 to 1,008.

The Moor’s Account by Laila Lalami and Bill Clegg’s Did You Ever Have a Family (Jonathan Cape) were not released when the longlist was announced.

Lalami’s book, released on 27th August, has sold 1,783 copies, making it the 7th bestselling of this year’s longlist so far, while Clegg’s book, released 1st September, has sold 885 copies.

The Fishermen by Chigozie Obioma (One, Pushkin Press), and Anuradha Roy’s Sleeping on Jupiter (MacLehose Press, Quercus) had not charted when the longlist was announced. The former has now sold 1,252 copies, while the latter is the least-selling of the Man Booker Dozen at 604 copies.

The 2015 Man Booker Prize shortlist will be announced on 15th September, and the winner on 13th October at a ceremony at London’s Guildhall.

The judging panel is this year chaired by author and academic Michael Wood, who is joined by critic, broadcaster and editor Ellah Allfrey, novelist John Burnside, the Spectator’s literary editor Sam Leith, and author Frances Osborne.

Each of the shortlisted authors will receive £2,500 and a specially bound edition of their book, with the winner receiving £50,000.